Technology readiness levels (or TRL levels, because repeating the last word of initialisms is common in English) is a metric commonly used by NASA to define how developed a technology for use on a ...

Jing Zhang, a faculty member at Rochester Institute of Technology, received a prestigious CAREER award from the National Science Foundation for work to develop new, highly efficient ultraviolet light ...

Ultraviolet light has a long history as a disinfectant, and the SARS-CoV-2 virus, which causes COVID-19, is readily rendered harmless by UV light. The question is how best to harness UV light to fight ...

Plants harvest solar radiation in the 400–700 nm spectrum (photosynthetically active radiation, PAR) and use this energy mainly for photosynthesis, while light between 280 and 730 nm induces ...

The UV–Vis absorption spectrum is a key physical property of an organic compound that determines many of its optoelectronic properties and photochemical reactivity. In the human body, the combined ...

A bus being treated with ultraviolet light in Shanghai, China. Although types of UV light are already in use to decontaminate vehicles and indoor spaces, the wavelengths used are dangerous to people.

Ultraviolet light has a long history as a disinfectant and the SARS-CoV-2 virus, which causes COVID-19, is readily rendered harmless by UV light. The question is how best to harness UV light to fight ...